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Home » Public Forums » GMCnet » Help won't stay running (starts runs then just dies)
Help won't stay running [message #204074] Mon, 08 April 2013 16:31 Go to previous message
Charley is currently offline  Charley   United States
Messages: 116
Registered: September 2010
Location: Magnolia Texas
Karma:
Senior Member
I have been chasing the gremlin of sputtering at around 35mph. After I got past 35 it was fine. Here is the background of everything. I dropped both tanks (cleaned and coated. New senders, metal lines, new selector, new electric pump, new filter before pump, and rebuilt carb from Jim K. It was a ton better but still stumbled at 35. I could not find any leaks anywhere but I could drive it. I took the family from Houston to Sea World and back no major issues but still stumbled at 35 five or six times. Today I removed the manual pump, installed the block off plate. Now with that done it starts runs for a minute or two then just dies. If I start it and rev up the engine it sounds great and runs but then just cuts off. Any suggestions as I hate to put the manual pump back on as would like to finally fix the issue?? Trying to make it to Dallas this weekend with the family.

Charley Harris Magnolia Texas 1976 Edgemont
 
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